crwdns2935425:06crwdne2935425:0
crwdns2931653:06crwdne2931653:0
-
Look for burnt-out LEDs, which might appear dark or black. If you find faulty LEDs, they need to be replaced.
-
Use a multimeter or backlight tester to test the voltage output of the LED driver board. If the voltage is incorrect, the LED driver board might be faulty and needs replacement.
crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0